WW I artillery shells

A U.S. Transportation Security Administration photo shows two military-grade shells in checked baggage at Chicago O'Hare International Airport. Two minors were interviewed by Chicago police and FBI after TSA officers at Chicago O'Hare International Airport spotted two military-grade shells in...

A U.S. Transportation Security Administration photo shows two military-grade shells in checked baggage at Chicago O'Hare International Airport. Two minors were interviewed by Chicago police and FBI after TSA officers at Chicago O'Hare International Airport spotted two military-grade shells in... (TSA)

A U.S. Transportation Security Administration photo shows two military-grade shells in checked baggage at Chicago O'Hare International Airport. Two minors were interviewed by Chicago police and FBI after TSA officers at Chicago O'Hare International Airport spotted two military-grade shells in...TSA